Radium Fuel Rail - BMW E46 M3 S54 (Rail Only)
Radium Fuel Rail - BMW E46 M3 S54 (Rail Only)
Universal fit
No vehicle selection needed.
This part may still fit. Check the details below or contact us before ordering. Ask about fitment
Fitment not confirmed
This part may still fit. Check the details below or contact us before ordering. Ask about fitment
Vehicle fitment
This part is listed to fit the following vehicles.
In Melbourne? Fit it in our workshop.
We fit parts in-house at the RevZone workshop. Book a time and bring your car in.
Description
Radium Fuel Rail — BMW E46 M3 S54 (Rail and Mounting Hardware Only)
This Radium Engineering fuel rail is CNC-machined and anodized aluminium, featuring a large 0.65" internal bore capable of supporting all necessary engine power requirements on the BMW E46 M3 S54. Compatible with OEM and aftermarket direct-fitment fuel injectors, and fully compatible with all fuel types including E85 and all alcohol blends.
End ports are tapped for 8AN ORB (3/4"-16 O-ring) and the centre port is 3/8" NPT female — accepting a wide variety of adapter fittings for custom high-flow fuel system builds with aftermarket regulators and custom fuel lines.
Note: This listing includes the fuel rail and mounting hardware only. Fittings and adapters are sold separately. This option is ideal for custom high-flow fuel system builds using an aftermarket regulator and custom fuel lines.
Suits:
- BMW E46 M3 — S54 engine
Specifications:
- Internal bore: 0.65"
- End ports: 8AN ORB (3/4"-16 O-ring thread)
- Centre port: 3/8" NPT female
- Material: CNC-machined anodized aluminium
- Injector compatibility: OEM and aftermarket direct-fitment
- Fuel compatibility: All fuel types including E85 and alcohol blends
- Fittings: Not included — sold separately
Available Part Numbers:
- 20-0070-02 — Fuel Rail, BMW E46 M3 S54 (rail and mounting hardware only)
Why Radium Engineering?
- ✅ Manufactured in the USA to motorsport-grade tolerances
- ✅ CNC-machined anodized aluminium with 0.65" bore for maximum flow on the S54
- ✅ Trusted by tuners and race teams running high-power BMW E46 M3 builds worldwide
- ✅ 8AN ORB end ports and 3/8" NPT centre port for custom high-flow fuel system flexibility
- ✅ Compatible with E85, ethanol, methanol, pump petrol, and flex fuel sensor integration
Specifications
- Part Number
- 20-0070-02
- Brand
- Radium Engineering
Shipping
Orders are processed within 1-2 business days (Monday to Friday), and orders placed before 12pm AEST are usually dispatched the same day. Once dispatched, standard shipping takes 3-7 business days and express 1-3, with tracking emailed as your order leaves.
If part of your order is out of stock, we'll contact you with the option to split the shipment or hold it until everything is ready. Read the full shipping policy.
Returns
You have 14 days from delivery to request a return on unused parts in their original packaging. Refunds incur a 15% restocking fee (20% for special orders), or choose store credit and the full purchase value is applied to your account.
Parts that have been test fitted, installed, or used can't be returned, and special-order or overseas-ordered items are assessed case by case. Faulty or incorrectly supplied items are always covered at no cost to you. Read the full returns policy.
